Debonairs poor service

I've ordered a pizza at 6:45 pm at debonairs lenasia south. I called them to track my order at 8:pm and I was told that they will deliver within 20 minutes. I phone them after 20 minutes and my phone was transferred from one person to another. Debonairs pizza if you can't deliver our order let us know than to make us wait until 9:pm...can't believe even the manager who I was told it is Andile hanged up my call when I want to enquire..